extempore
/ɛkˈstɛmpəɹi/adj
High School
1
Carried out with no preparation.
2
1833 January, “Pandemonic Revels”, in The Royal Lady’s Magazine, and Archives of the Court of St. James’s, number XXV, London, page 15
3
Sheets, tablecloths, white gowns, and pocket-handkerchiefs were instantly in demand, and every one, as has been seen, entered, con amore, into the extempore entertainment of Pandemonic Revels.